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  Date: 2022/4/6
  Time: 19:54
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<%@ page contentType="text/html;charset=UTF-8" language="java" isELIgnored="false" %>
<html>
<head>
    <title>操作失败</title>
</head>
<body>
<div align="center">
<h3>操作失败!<br>原因是 ${ModErr}<br>
<a href="CourseController">返回主页</a>
</h3>
</div>
</body>
</html>
